Patent US3188409A successfully refreshed from Google Patents.
US3188409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor drive, cam actuated electrical multi-switch with ratchet escapement
Assignee: Duracell Inc USA
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Filing: 1963-03-22
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Granted: 1965-06-08
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Wallace L Linn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:59
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/125; H01H43/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A VARIABLE TIMING DEVICE COMPRISING: A DRIVE MEANS; A SHAFT DRIVEN BY SAID DRIVE MEANS; A PLURALITY OF CAMS COUPLED TO SAID SHAFT; A PLURALITY OF MOVABLE SWITCH ELEMENTS ACTUATED BY SAID CAMS; A FLOATING ASSEMBLY BEING LOOSELY FITTED ON SAID SHAFT TO HAVE A FLOATING CHARACTERISTIC THEREON, SAID FLOATING ASSEMBLY COMPRISING A VARIABLE CAM AND A PARTIAL RATCHET FIXEDLY COUPLED IN SAPACED PARALLEL RELATIONSHIP BY A HUB MEANS; SAID VARIABLE CAM HAVING A SHOULDER; A SPRING MEANS FIXEDLY COUPLED BETWEEN ONE OF SAID PLURALITY OF CAMS AND SAID FLOATING ASSEMBLY FOR PROVIDING LOST MOTION COUPLING THEREBETWEEN; AN INITIAL POSITION BETWEEN SAID ONE OF SAID PLURALITY OF CAMS AND SAID FLOATING ASSEMBLY; AND A MEANS ENGAGEABLE WITH SAID
Claim 2
Dependent Claim
118 words
A VARIABLE TIMING DEVICE COMPRISING: A DRIVE MEANS; A SHAFT DRIVEN BY SAID DRIVE MEANS; A PLURALITY OF CAMS COUPLED TO SAID SHAFT; A PLURALITY OF MOVABLE SWITCH ELEMENTS ACTUATED BY SAID CAMS; A FLOATING ASSEMBLY BEING LOOSELY FITTED ON SAID SHAFT TO HAVE A FLOATING CHARACTERISTIC THEREON, SAID FLOATING ASSEMBLY COMPRISING A VARIABLE CAM AND A PARTIAL RATCHET FIXEDLY COUPLED IN SAPACED PARALLEL RELATIONSHIP BY A HUB MEANS; SAID VARIABLE CAM HAVING A SHOULDER; A SPRING MEANS FIXEDLY COUPLED BETWEEN ONE OF SAID PLURALITY OF CAMS AND SAID FLOATING ASSEMBLY FOR PROVIDING LOST MOTION COUPLING THEREBETWEEN; AN INITIAL POSITION BETWEEN SAID ONE OF SAID PLURALITY OF CAMS AND SAID FLOATING ASSEMBLY; AND A MEANS ENGAGEABLE WITH SAID
References Cited (Backward Citations)
US3077784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |